__swap_entry_to_cluster
struct swap_cluster_info *ci = __swap_entry_to_cluster(entry);
swp_tb = swap_table_get(__swap_entry_to_cluster(entry),
swp_tb = swap_table_get(__swap_entry_to_cluster(entry),
VM_WARN_ON_ONCE(__swap_entry_to_cluster(entry) != ci);
ci = __swap_entry_to_cluster(targ_entry);
swp_tb = swap_table_get(__swap_entry_to_cluster(entry),
struct swap_cluster_info *ci = __swap_entry_to_cluster(entry);
ci = __swap_entry_to_cluster(entry);
swp_tb = swap_table_get(__swap_entry_to_cluster(entry),